Serial data for 268 normal boys and girls were obtained and used to calculate predicted adult statures without using skeletal age. The data can be used to measure physical maturity in 5- to 15-year-old boys and 3- to 13-year-old girls without invasion of privacy or radiological techniques. (Author/PP)

To clarify patterns in the rate of motor development, children observed between kindergarten and second grade were refilmed, performing an overarm throw, when they became seventh-grade students. Results were compared with predictions made earlier. Differences in the skill levels of boys and girls and differences in their throwing experience are…